Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8033032 | Inside diameter measuring tool | Yuji Fujikawa, Kouji Matsumoto, Shuji Hayashida | 2011-10-11 |
| 8001698 | Digital displacement measuring instrument | Shuji Hayashida, Yuji Fujikawa | 2011-08-23 |
| 7877894 | Digital displacement measuring instrument | Shuji Hayashida, Nobuyuki Hayashi, Shozaburo Tsuji, Yasuhiro Tsujimoto, Yuji Fujikawa +2 more | 2011-02-01 |